﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
using RedisDemo.Services;

namespace RedisDemo
{
    public class Startup
    {
        public Startup(IConfiguration configuration)
        {
            Configuration = configuration;
        }

        public IConfiguration Configuration { get; }

        // This method gets called by the runtime. Use this method to add services to the container.
        public void ConfigureServices(IServiceCollection services)
        {
            services.AddSingleton<RedisManager>();
            services.AddSingleton<IDistributedLockFactory, RedisDistributedLockFactory>();

            services.AddScoped<RedisTestService>();
            services.AddScoped<LogService>();
            services.AddScoped<CounterService>();

            services.AddMvc().SetCompatibilityVersion(CompatibilityVersion.Version_2_1);
        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IApplicationLifetime lifetime, IHostingEnvironment env)
        {
            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }

            app.UseMvc();

            lifetime.ApplicationStarted.Register(() =>
            {
                var redisManager = app.ApplicationServices.GetRequiredService<RedisManager>();

                redisManager.InitConfigAsync().Wait();
            });

            lifetime.ApplicationStopping.Register(() =>
            {
                var lockFactory = app.ApplicationServices.GetRequiredService<IDistributedLockFactory>();
                lockFactory.Dispose();

                var redisManager = app.ApplicationServices.GetRequiredService<RedisManager>();
                redisManager.Dispose();
            });
        }
    }
}
